Finding the Fourth Proportional to 1,647,928.79, 2,473,234.08 and 849,438.68
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Solution
The fourth proportional to 1,647,928.79, 2,473,234.08 and 849,438.68 is: 1,274,849.20
Step by Step Solution
- Step 1: Write the proportion equation
1,647,928.79 : 2,473,234.08 = 849,438.68 : x - Step 2: Convert to fraction form
1,647,928.79/2,473,234.08 = 849,438.68/x - Step 3: Cross multiply
1,647,928.79x = 2,473,234.08 × 849,438.68 - Step 4: Simplify right side
1,647,928.79x = 2,100,860,698,429.30 - Step 5: Solve for x
x = 2,100,860,698,429.30/1,647,928.79 - Step 6: Final answer
x = 1,274,849.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.